Is it's implementation slow, or do you mean it's size makes over the wire transmission slow?
Are all jQuery methods slow, or specific cases like DOM manipulation and/or AJAX calls.
It seems that a few years back jQuery had these issues, but are those claims still relevant?
If you don't need to support very old browsers you can easy go without jQuery.
Have a look at http://youmightnotneedjquery.com
Is it's implementation slow, or do you mean it's size makes over the wire transmission slow?
Are all jQuery methods slow, or specific cases like DOM manipulation and/or AJAX calls.
It seems that a few years back jQuery had these issues, but are those claims still relevant?